Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1998 Eagle Talon Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Checking System For Diagnostic Trouble Codes
NOTE:
Ensure battery is fully charged before proceeding with test.
- Attempt to start engine. Crank engine for up to 10 seconds (if necessary). Diagnostic Trouble Codes (DTCs) are retrieved using a scan tool.
- Connect scan tool to Data Link Connector (DLC). For Data Link Connector (DLC) location, see RETRIEVING DIAGNOSTIC TROUBLE CODES under SELF-DIAGNOSTIC SYSTEM. Using scan tool manufacturer's instructions, read DTC message and code.
- If scan tool displays NO RESPONSE, go to TEST NS-6A . If scan tool will not power up, check for loose cable connections or bad cable. If cable connections and cable are okay, check voltage at cavity No. 16 on 16-pin DLC. Voltage should be at least 11 volts. If voltage is not as specified, check wiring circuit and necessary fuses. See appropriate wiring diagram in WIRING DIAGRAMS article.
- If scan tool displays an error message, (i.e. USER-REQUESTED COLD BOOT or USER-REQUESTED WARM BOOT), follow scan tool manufacturer's instructions. If any other error message is displayed, contact scan tool manufacturer for further instructions.
- If DTCs are displayed, see DTC MESSAGES & CODES table and perform appropriate test(s). If no DTCs are displayed, refer to one of the following:
- For Driveability problems, perform TEST NTC-1A .
- For No-Start problems, perform TEST NS-SEL .
- For Speed (Cruise) Control problems, perform TEST SC-1A. See appropriate CRUISE CONTROL SYSTEMS article in ACCESSORIES & EQUIPMENT.
- For Charging system problems, perform TEST CH-1A. See GENERATORS & REGULATORS article in STARTING & CHARGING SYSTEMS.
NOTE:
Testing procedures are specific for Diagnostic Readout Box (DRB) scan tool.
DTC MESSAGES & CODES
| Scan Tool Message | Scan Tool Code | Test No. | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 5-VOLT SUPPLY OUTPUT TOO LOW | P1496 | TC-146A | ||||||||||||||
| A/C CLUTCH RELAY CIRCUIT | N/A | TC-16A | ||||||||||||||
| A/C PRESSURE SENSOR VOLTS TOO HIGH | N/A | TC-90A | ||||||||||||||
| A/C PRESSURE SENSOR VOLTS TOO LOW | N/A | TC-91A | ||||||||||||||
| AMBIENT/BATT TEMP SENSOR VOLTS TOO HIGH | P1492 | TC-153A | ||||||||||||||
| AMBIENT/BATT TEMP SENSOR VOLTS TOO LOW | P1493 | TC-153A | ||||||||||||||
| AUTO SHUTDOWN RELAY CONTROL CIRCUIT | N/A | TC-10A | ||||||||||||||
| BAROMETRIC PRESSURE OUT OF RANGE | P0106 | TC-60A | ||||||||||||||
| BRAKE SWITCH STUCK PRESSED OR RELEASED | P0703 | TC-152A | ||||||||||||||
| CATALYST 1/1 EFFICIENCY FAILURE | P0420 | TC-112A | ||||||||||||||
| CATALYST 2/1 EFFICIENCY FAILURE | P0432 | TC-180A | ||||||||||||||
| CHARGING SYSTEM VOLTAGE TOO HIGH | N/A | TC-6A | ||||||||||||||
| CHARGING SYSTEM VOLTAGE TOO LOW | N/A | TC-5A | ||||||||||||||
| CLOSED LOOP TEMPERATURE NOT REACHED | P0125 | TC-128A | ||||||||||||||
| CYLINDER #1 MISFIRE | P0301 | TC-107A | ||||||||||||||
| CYLINDER #2 MISFIRE | P0302 | TC-107A | ||||||||||||||
| CYLINDER #3 MISFIRE | P0303 | TC-107A | ||||||||||||||
| CYLINDER #4 MISFIRE | P0304 | TC-107A | ||||||||||||||
| CYLINDER #5 MISFIRE | P0305 | TC-107A | ||||||||||||||
| CYLINDER #6 MISFIRE | P0306 | TC-107A | ||||||||||||||
| EATX CONTROLLER DTC PRESENT | P0700 | (1) | ||||||||||||||
| ECT SENSOR VOLTAGE TOO HIGH | P0118 | TC-31A | ||||||||||||||
| ECT SENSOR VOLTAGE TOO LOW | P0117 | TC-30A | ||||||||||||||
| EGR SOLENOID CIRCUIT | P0403 | TC-17A | ||||||||||||||
| EGR SYSTEM FAILURE | P0401 | TC-46A | ||||||||||||||
| ENGINE IS COLD TOO LONG | N/A | (2) | ||||||||||||||
| EVAP LEAK MONITOR LARGE LEAK DETECTED | P0455 | TC-161A | ||||||||||||||
| EVAP LEAK MONITOR PINCHED HOSE FOUND | P1486 | TC-187A | ||||||||||||||
| EVAP LEAK MONITOR SMALL LEAK DETECTED | P0442 | TC-160A | ||||||||||||||
| EVAP PURGE FLOW MONITOR FAILURE | P0441 | TC-113A | ||||||||||||||
| EVAP PURGE SOLENOID CIRCUIT | P0443 | TC-18A | ||||||||||||||
| FRONT BANK FUEL SYSTEM LEAN | P0174 | TC-121A | ||||||||||||||
| FRONT BANK FUEL SYSTEM RICH | P0175 | TC-120A | ||||||||||||||
| FUEL LEVEL SENDING UNIT VOLTS TOO HIGH | N/A | (3) | ||||||||||||||
| FUEL LEVEL SENDING UNIT VOLTS TOO LOW | N/A | (4) | ||||||||||||||
| FUEL LEVEL SENDING UNIT NO CHANGE OVER MILES | N/A | (5) | ||||||||||||||
| FUEL PUMP RELAY CONTROL CIRCUIT | N/A | TC-101A | ||||||||||||||
| FUEL SYSTEM LEAN | P0171 | TC-119A | ||||||||||||||
| FUEL SYSTEM RICH | P0172 | TC-118A | ||||||||||||||
| GENERATOR FIELD NOT SWITCHING PROPERLY | N/A | TC-11A | ||||||||||||||
| HI SPEED RAD FAN CTRL RELAY CIRCUIT | P1487 | TC-139A | ||||||||||||||
| HIGH SPEED CONDENSER FAN CTRL RELAY CIRCUIT | P1489 | TC-93A | ||||||||||||||
| HIGH SPEED FAN CTRL RELAY CIRCUIT | P1489 | TC-93A | ||||||||||||||
| HIGH SPEED RAD FAN GROUND CTRL RLY CKT | P1498 | TC-197A | ||||||||||||||
| IDLE AIR CONTROL MOTOR CIRCUITS | P0505 | TC-25A | ||||||||||||||
| IGNITION COIL #1 PRIMARY CIRCUIT | P0351 | TC-43A | ||||||||||||||
| IGNITION COIL #2 PRIMARY CIRCUIT | P0352 | TC-42A | ||||||||||||||
| INJECTOR #1 CONTROL CIRCUIT | P0201 | TC-21A | ||||||||||||||
| INJECTOR #2 CONTROL CIRCUIT | P0202 | TC-21A | ||||||||||||||
| INJECTOR #3 CONTROL CIRCUIT | P0203 | TC-21A | ||||||||||||||
| INJECTOR #4 CONTROL CIRCUIT | P0204 | TC-21A | ||||||||||||||
| INJECTOR #5 CONTROL CIRCUIT | P0205 | TC-21A | ||||||||||||||
| INJECTOR #6 CONTROL CIRCUIT | P0206 | TC-21A | ||||||||||||||
| INTAKE AIR TEMP SENSOR VOLTAGE HIGH | P0113 | TC-58A | ||||||||||||||
| INTAKE AIR TEMP SENSOR VOLTAGE LOW | P0112 | TC-57A | ||||||||||||||
| INTERMITTENT LOSS OF CMP OR CKP | P1391 | TC-157A | ||||||||||||||
| INTERNAL CONTROLLER FAILURE | P0601 | (6) | ||||||||||||||
| KNOCK SENSOR CIRCUIT | N/A | TC-59A | ||||||||||||||
| LEAK DETECTION PUMP SW OR MECHANICAL FAULT | P1494 | TC-184A | ||||||||||||||
| LEAK DETECTION PUMP SOLENOID CIRCUIT | P1495 | TC-183A | ||||||||||||||
| LOW SPEED FAN CTRL RELAY CIRCUIT | P1490 | TC-92A | ||||||||||||||
| MAP SENSOR VOLTAGE TOO HIGH | P0108 | TC-37A | ||||||||||||||
| MAP SENSOR VOLTAGE TOO LOW | P0107 | TC-36A | ||||||||||||||
| MIS-FIRE ADAPTIVE NUMERATOR AT LIMIT | P1398 | TC-186A | ||||||||||||||
| MULTIPLE CYLINDER MISFIRE | P0300 | TC-106A | ||||||||||||||
| NO ASD RELAY OUTPUT VOLTAGE AT PCM | N/A | TC-44A | ||||||||||||||
| NO CAM SIGNAL AT PCM | P0340 | TC-1A | ||||||||||||||
| NO CCD MESSAGE FROM BODY CONTROL MODULE | P1695 | (7) | ||||||||||||||
| NO CCD MESSAGES FROM TCM | P1698 | (7) | ||||||||||||||
| NO CHANGE IN MAP FROM START TO RUN | P1297 | TC-39A | ||||||||||||||
| NO CRANK REFERENCE SIGNAL AT PCM | N/A | TC-40A | ||||||||||||||
| NO VEHICLE SPEED SENSOR SIGNAL | P0500 | TC-35A | ||||||||||||||
| O2 SENSOR 1/1 STAYS AT CENTER | P0134 | TC-32A | ||||||||||||||
| O2 SENSOR 1/1 HEATER FAILURE | P0135 | TC-103A | ||||||||||||||
| O2 SENSOR 1/1 SHORTED TO VOLTAGE | P0132 | TC-62A | ||||||||||||||
| O2 SENSOR 1/1 SLOW RESPONSE | P0133 | TC-102A | ||||||||||||||
| O2 SENSOR 1/1 VOLTAGE SHORTED TO GROUND | P0131 | TC-155A | ||||||||||||||
| O2 SENSOR 1/2 HEATER FAILURE | P0141 | TC-105A | ||||||||||||||
| O2 SENSOR 1/2 SHORTED TO VOLTAGE | P0138 | TC-126A | ||||||||||||||
| O2 SENSOR 1/2 STAYS AT CENTER | P0140 | TC-129A | ||||||||||||||
| O2 SENSOR 1/2 VOLTS SHORTED TO GROUND | P0137 | TC-156A | ||||||||||||||
| O2 SENSOR 2/1 HEATER FAILURE | P0155 | TC-124A | ||||||||||||||
| O2 SENSOR 2/1 SHORTED TO GROUND | P0151 | TC-181A | ||||||||||||||
| O2 SENSOR 2/1 SHORTED TO VOLTAGE | P0152 | TC-66A | ||||||||||||||
| O2 SENSOR 2/1 SLOW RESPONSE | P0153 | TC-122A | ||||||||||||||
| O2 SENSOR 2/1 STAYS AT CENTER | P0154 | TC-65A | ||||||||||||||
| O2 SENSOR 2/2 HEATER FAILURE | P0161 | TC-125A | ||||||||||||||
| O2 SENSOR 2/2 SHORTED TO GROUND | P0157 | TC-182A | ||||||||||||||
| O2 SENSOR 2/2 SHORTED TO VOLTAGE | P0158 | TC-127A | ||||||||||||||
| O2 SENSOR 2/2 STAYS AT CENTER | P0160 | TC-130A | ||||||||||||||
| P/N SWITCH STUCK IN PARK OR IN GEAR | P1899 | TC-114A | ||||||||||||||
| PCM FAILURE EEPROM WRITE DENIED | P1696 | TC-48A | ||||||||||||||
| PCM FAILURE SPI COMMUNICATIONS | P0600 | (6) | ||||||||||||||
| PCM FAILURE SRI MILE NOT STORED | P1697 | TC-48A | ||||||||||||||
| POWER STEERING SWITCH FAILURE | P0551 | TC-115A | ||||||||||||||
| RADIATOR FAN CONTROL RELAY CIRCUIT | P1491 | TC-14A | ||||||||||||||
| REAR BANK FUEL SYSTEM LEAN | P0171 | TC-119A | ||||||||||||||
| REAR BANK FUEL SYSTEM RICH | P0172 | TC-118A | ||||||||||||||
| SLOW UPSTREAM O2S 1/1 DURING CATALYST MON | P0133 | TC-192A | ||||||||||||||
| SLOW UPSTREAM O2S 2/1 DURING CATALYST MON | P0153 | TC-193A | ||||||||||||||
| SPEED CONTROL POWER RELAY CIRCUIT | N/A | TC-15A | ||||||||||||||
| S/C 12V DRIVER CIRCUIT | N/A | TC-15A | ||||||||||||||
| SPEED CONTROL SOLENOID CIRCUITS | N/A | TC-15A | ||||||||||||||
| SPEED CONTROL SWITCH ALWAYS HIGH | N/A | TC-86A | ||||||||||||||
| SPEED CONTROL SWITCH ALWAYS LOW | N/A | TC-87A | ||||||||||||||
| TARGET IDLE NOT REACHED | P1294 | TC-138A | ||||||||||||||
| THROTTLE POSITION SENSOR VOLTAGE HIGH | P0123 | TC-27A | ||||||||||||||
| THROTTLE POSITION SENSOR VOLTAGE LOW | P0122 | TC-26A | ||||||||||||||
| TIMING BELT SKIPPED 1 TOOTH OR MORE | P1390 | TC-133A | ||||||||||||||
| TORQ CONV CLU, NO RPM DROP AT LOCKUP | P0740 | TC-148A | ||||||||||||||
| TORQUE CONVERTER CLUTCH SOLENOID/TRANS RELAY CKTS | P0743 | TC-12A | ||||||||||||||
| TPS VOLTAGE DOES NOT AGREE WITH MAP | P0121 | TC-132A | ||||||||||||||
| VACUUM LEAK FOUND IAC FULLY SEATED) | P1299 | TC-145A | ||||||||||||||
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Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
